Selective immigration legislation : hearings before the Committee on immigration, United States Senate, Sixty-eighth Congress, first session, on S. 2365 and S. 2576, a bill to limit the immigration of aliens into the United States, and to provide a system of selection in connection therewith, and for other purposes. February 13, 14, 20, 21, March 8, 13, 14, April 7 and 8, 1924